﻿using DongFangGuoKai.WCSPlatform.WebApi.Utils;
using S7.Net;

namespace DongFangGuoKai.WCSPlatform.WebApi.HostService
{
    /// <summary>
    /// 入库后台任务
    /// </summary>
    public class InWhouseHostService : BackgroundService
    {
        private readonly PlcTaskManager plcTaskManager;
        private readonly Plc plc;
        private readonly ILogger<InWhouseHostService> logger;
        /// <summary>
        /// 构造
        /// </summary>
        /// <param name="plcTaskManager"></param>
        /// <param name="plc"></param>
        /// <param name="logger"></param>
        public InWhouseHostService(PlcTaskManager plcTaskManager,Plc plc,ILogger<InWhouseHostService> logger)
        {
            this.plcTaskManager = plcTaskManager;
            this.plc = plc;
            this.logger = logger;
        }
        
        protected override Task ExecuteAsync(CancellationToken stoppingToken)
        {
            try
            {
                Task.Run(async () =>
                {
                    logger.LogInformation("入库任务启动");
                    while (true)
                    {
                        try
                        {
                            if (plc.IsConnected)
                            {
                                plcTaskManager.InDoWork();
                            }
                        }
                        catch (Exception ex)
                        {
                            logger.LogError($"入库任务异常:{ex.Message}");
                        }

                        await Task.Delay(1000);
                    }
                });
                return Task.CompletedTask;
            }
            catch (Exception ex)
            {
                logger.LogError($"入库任务异常:{ex.Message}");
                return Task.CompletedTask;
            }
        }
        public override Task StopAsync(CancellationToken cancellationToken)
        {
            Dispose();
            logger.LogInformation("入库后台任务异常结束");
            return base.StopAsync(cancellationToken);
        }
    }
}
